Table 2: Percentage of CD4+ and CD8+ lymphocytes in mice infected with T. cruzi I strains.

Strain (infection phase)

Parasites

CD4+

CD8+

Ninoa (acute)

PBS

28.8 ± 1

11.8 ± 0.1

1×104

15.1 ± 2.6*

11.8 ± 2.6

1×105

18 ± 2.5*

16.3 ± 1.9

Ninoa (chronic)

PBS

25.8 ± 8

9.9 ± 4.1

1×104

30.3 ± 11.6

23.2 ± 7.8*

1×105

25.3 ± 7.4

18 ± 8.7*

Qro (acute)

PBS

24 ± 3.3

10.5 ± 4.6

1×104

17 ± 3.3*

11.7 ± 4.3

1×105

14 ± 2.5*

10 ± 6

Mean ± standard deviation of three independent assays. Statistical differences between parasited and control mice are indicated (∗𝑃<.05). Control mice were inoculated with phosphate buffer saline (PBS).